São Mateus do Sul weather in March

In March, São Mateus do Sul sees average daytime highs of 26°C and overnight lows near 17°C, with 108 mm of rain across 14.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 14% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 36 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is São Mateus do Sul's 7th-clearest and 10th-windiest month. For the whole year in context, see São Mateus do Sul's year-round climate.

Daytime high
26°
4th warmest
Overnight low
17°
9th coldest
Rainfall
108 mm
14.5 wet days
Daylight
12 h 12 min
7:26 AM – 7:37 PM
Cloud cover
69%
7th clearest
Wind
8 km/h
10th windiest
Solar energy
4.64 kWh/m²
Travel score
5.8
out of 10

São Mateus do Sul is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical March day in São Mateus do Sul reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, March runs on par with February and about 2°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92717
102717
112717
122717
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272616
282516
292516
302516
312516

São Mateus do Sul weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°18421.213.44.7
Feb27° / 18°15719.112.94.8
Mar26° / 17°10814.512.25.8
Apr24° / 15°769.311.46.8
May21° / 12°1059.210.86.5
Jun20° / 10°1099.110.46.3
Jul20° / 858.310.56.5
Aug22° / 10°857.711.17.1
Sep23° / 12°1401111.86.5
Oct24° / 14°15015.212.65.9
Nov25° / 16°1231413.36.0
Dec27° / 17°14417.213.65.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 20% of March, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53268
63268
73367
83367
93367
103367
113466
123466
133466
143466
153466
163466
173466
183466
193466
203466
213565
223565
233565
243466
253466
263466
273466
283466
293466
303367
313367

Chance of precipitation in March

Any precipitation

São Mateus do Sul gets around 108 mm of rain over 14.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
260
358
457
556
655
754
853
952
1052
1151
1250
1349
1449
1548
1647
1746
1845
1944
2044
2143
2243
2342
2442
2541
2640
2740
2839
2938
3038
3137

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11123156
21123255
31133353
41133452
51133551
61143650
71143749
81143748
91153847
101153946
111163944
121164043
131174142
141174140
151184239
162184337
172194336
182204334
193214433
203214431
214224430
224234429
234234428
245244427
255244526
265244426
276254425
286254425
297254424
307254424
318264323

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 36 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over March. Sunrise moves from 7:18 AM to 7:33 AM, and sunset from 7:52 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:187:52
212.57:187:51
312.57:197:50
412.57:197:49
512.57:207:48
612.47:207:47
712.47:217:46
812.47:217:45
912.47:227:44
1012.37:237:43
1112.37:237:42
1212.37:247:41
1312.37:247:40
1412.27:257:39
1512.27:257:38
1612.27:267:37
1712.27:267:36
1812.17:267:35
1912.17:277:34
2012.17:277:33
2112.17:287:31
2212.07:287:30
2312.07:297:29
2412.07:297:28
2512.07:307:27
2611.97:307:26
2711.97:317:25
2811.97:317:24
2911.97:327:23
3011.87:327:22
3111.87:337:20

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.64 kWh/m².

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 5.75 kWh/m² in December across the year — March's 4.64 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit São Mateus do Sul?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
9th-best month of the year
5.6
Beach & pool
2nd-best month of the year

March is a reasonable time to visit São Mateus do Sul for sightseeing.

What to pack for São Mateus do Sul in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, São Mateus do Sul sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

UV index in São Mateus do Sul in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Mateus do Sul peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug6High
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Mateus do Sul in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in São Mateus do Sul is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1315 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr8Good
May9Good
Jun8Good
Jul10Good
Aug13Moderate
Sep16Moderate
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is São Mateus do Sul?

São Mateus do Sul sits at 25.9°S, 50.4°W, 792 m above sea level, in Brazil. The nearest listed city is Três Barras, 27 km away.

Topography around São Mateus do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Mateus do Sul.

Within 3 km, the terrain around São Mateus do Sul has only modest variations in elevation — a maximum elevation change of 80 m around an average of 775 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, large variations in elevation — a maximum elevation change of 879 m.

The land around São Mateus do Sul is covered by trees (40%), grassland (22%) and artificial surfaces (20%) within 3 km, trees (56%) and cropland (32%) within 16 km, and trees (60%) and cropland (33%) within 80 km.

3 km
80 m
16 km
159 m
80 km
879 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Três Barras 27 km · Canoinhas 34 km · Irati 53 km · Papanduva 60 km · Palmeira 62 km · Mafra 63 km · Rio Negro 64 km · Lapa 68 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for São Mateus do Sul (-25.8742°, -50.3828°, elevation 792 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).